Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thuat hung » thuat dung, thuat ung, thuat chuong
thuat xung » thuat dung, thuat ung, thuat song
hanh tram » hanh tam, hanh trang, thanh tran
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu quang - hanh tram ((thuat hung) or (thuat xung)) cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu quang - hanh tram ((thuat hung) OR (thuat xung)) cong tan van ban*.